Az-Zukhruf • BN-TAFSEER-IBN-E-KASEER
﴿ إِنَّا جَعَلْنَٰهُ قُرْءَٰنًا عَرَبِيًّۭا لَّعَلَّكُمْ تَعْقِلُونَ ﴾
“behold, We have caused it to be a discourse in the Arabic tongue, so that you might encompass it with your reason.”
Please check ayah 43:8 for complete tafsir.